Combine lemon zest, lemon juice, vanilla extract and
syrup/honey in a saucepan. Bring to a boil. Take off the heat and let
cool a little. Set aside.

In a big bowl, combine oats, oat bran, flax seeds, and chopped
walnuts. Pour the lemon syrup mixture over the oat nut mixture and stir
until well combined. Let sit for 5 to 10 minutes. Spread the granola
evenly on a baking sheet and bake for 20 to 25 minutes. Let cool. Stir
in chopped dates.